You Do Need power plug adapter while traveling from Nepal to United Arab Emirates (UAE).

Here is Why You Need An Adapter

The outlet and plug type used in United Arab Emirates (UAE) is G and in Nepal are C, D and M. This is how they look like.

Nepal

In Nepal, outlets of type C, D and M are in use.

Type C

Type D

Type M

United Arab Emirates (UAE)

In United Arab Emirates (UAE), outlets of type G are in use.

Type G